INT 67 - Virtual Control Program Interface - GET NUMBER OF FREE 4K PAGES AX = DE03h Return: AH = 00h successful EDX = number of free 4K pages AH nonzero: failed Notes: returns total number of pages available to ALL tasks in system also available in protected mode by calling the protected-mode VCPI entry point (see AX=DE01h,#03664) SeeAlso: AX=DE04h